Seville is a city located in the south of Spain, on the banks of the Guadalquivir River. It has seven letters and is the capital of the autonomous community of Andalusia. CORDOBA is another city located on the Guadalquivir River, also in the south of Spain. It has seven letters and is known for its historical monuments, such as the Mezquita and the Alcazar de los Reyes Cristianos. Rios is a small town located in the province of Badajoz, in the autonomous community of Extremadura. It has four letters and is situated on the banks of the Guadalquivir River. Rio is a municipality located in the province of Badajoz, in the autonomous community of Extremadura. It has three letters and is also situated on the banks of the Guadalquivir River.